Home / 146,534.40-219,801.60-57,739.56

Finding the Fourth Proportional to 146,534.40, 219,801.60 and 57,739.56

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Solution

The fourth proportional to 146,534.40, 219,801.60 and 57,739.56 is: 86,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,534.40 : 219,801.60 = 57,739.56 : x
  2. Step 2: Convert to fraction form
    146,534.40/219,801.60 = 57,739.56/x
  3. Step 3: Cross multiply
    146,534.40x = 219,801.60 × 57,739.56
  4. Step 4: Simplify right side
    146,534.40x = 12,691,247,671.30
  5. Step 5: Solve for x
    x = 12,691,247,671.30/146,534.40
  6. Step 6: Final answer
    x = 86,609.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.